NTT Com to Offer Dual-stack Global IP-VPN Service Worldwide

TOKYO, April 13, 2010 - NTT Communications Corporation (NTT Com) announced on April 13 plans for
the worldwide rollout of an Internet-protocol (IP) virtual private network
(VPN) service supporting both the conventional IPv4 and successor IPv6
protocols, beginning April 15 in Japan, South Korea, Taiwan, Hong Kong and
Singapore. Launches in other markets will be announced later.

NTT Com will be the first Japanese company to offer a worldwide
commercial IPv6-compatible IP-VPN service based on Multi-protocol Label
Switching (MPLS).

The service will provide dual-stack connectivity for NTT Com's
Arcstar(TM) Global IP-VPN via synchronous transfer mode (STM), Ethernet or
cross-connect access lines. By allowing both protocols to be used on the same
network, the service enables enterprises to retain existing IPv4 architecture
while gradually transitioning to IPv6 in a relatively smooth, low-cost
manner. Most Arcstar Global IP-VPN optional services will be available,
including quality of service, load sharing and traffic reporting.
Service-level agreements will assure reliable, high-quality IP-VPN
performance.

As IPv4 addresses near exhaustion, multinational companies are finding
themselves increasingly in need of local area network services compatible
with IPv6, which offers virtually unlimited addresses.

"Deploying an IPv6-compatible system can require time, so now is the time
for enterprises to begin preparing for the transition, starting by
considering just how badly the exhaustion of IPv4 addresses could impact the
company's overall ICT system," said Dr. Shin Miyakawa, Director of IP Core
Technology, Innovative IP Architecture Center. "The new dual-stack service
will enable companies to smoothly transition from IPv4 to IPv6 via a fully
managed, high-quality global network, backed by the unmatched know-how and
experience of NTT Com, operator of the world's first commercial global IPv6
backbone since 2001."

The company launched a Japan-only dual-stack Arcstar IP-VPN service in
March 2009.

About NTT Communications Corporation

Please visit www.ntt.com/index-e.html.

    Contact:
    (Ms.) Chiemi Watanabe or (Ms.) Shihoko Kato
    Global Business Division
    NTT Communications
    Tel: +81-3-6733-8150
    e-mail: marketing-gl@ntt.com

(Ms.) Chiemi Watanabe or (Ms.) Shihoko Kato, Global Business Division, NTT Communications, +81-3-6733-8150, marketing-gl at ntt.com